diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp index 2acbaf76318..1e08e2cd3a4 100644 --- a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp +++ b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp @@ -2427,9 +2427,6 @@ void DwarfDebug::emitDebugPubNames(bool GnuStyle) { CompileUnit *TheCU = I->second; unsigned ID = TheCU->getUniqueID(); - if (TheCU->getGlobalNames().empty()) - continue; - // Start the dwarf pubnames section. Asm->OutStreamer.SwitchSection(PSec); diff --git a/test/DebugInfo/X86/gnu-public-names-empty.ll b/test/DebugInfo/X86/gnu-public-names-empty.ll new file mode 100644 index 00000000000..2f5787a1be4 --- /dev/null +++ b/test/DebugInfo/X86/gnu-public-names-empty.ll @@ -0,0 +1,18 @@ +; RUN: llc -mtriple=x86_64-pc-linux-gnu -generate-gnu-dwarf-pub-sections -filetype=obj < %s | llvm-dwarfdump - | FileCheck %s + +; Generated from: + +; static int a __attribute__((section("a"))); + +; Check that the attributes in the compile unit both point to a correct +; location, even when nothing is exported. +; CHECK: DW_AT_GNU_pubnames [DW_FORM_sec_offset] (0x00000000) +; CHECK: DW_AT_GNU_pubtypes [DW_FORM_sec_offset] (0x00000000) + +!llvm.dbg.cu = !{!0} +!llvm.module.flags = !{!3} + +!0 = metadata !{i32 786449, metadata !1, i32 12, metadata !"clang version 3.4 (trunk 191846) (llvm/trunk 191866)", i1 false, metadata !"", i32 0, metadata !2, metadata !2, metadata !2, metadata !2, metadata !2, metadata !""} ; [ DW_TAG_compile_unit ] [/usr/local/google/home/echristo/tmp/foo.c] [DW_LANG_C99] +!1 = metadata !{metadata !"foo.c", metadata !"/usr/local/google/home/echristo/tmp"} +!2 = metadata !{i32 0} +!3 = metadata !{i32 2, metadata !"Dwarf Version", i32 4}